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igor_vitrenko [27]
3 years ago
5

Which of the following is rational number? a.) π b.) 1.425 c.) √50 d.)√-4

Mathematics
2 answers:
Contact [7]3 years ago
4 0
1.425 because it can be represented as:

1425/1000

A rational number is any number that can be expressed as ratio of two integers...
marshall27 [118]3 years ago
4 0
B is the only rational number

a) pi is irrational because it continues without repeating
c) sqrt 50 is irrational because it is the square root of a non perfect square
d) sqrt -4 is an imaginary number because when you take the square root of a negative you get and answer with i in it.
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